Finding the Fourth Proportional to 9,899.79, 14,849.69 and 3,326.00

Step by Step Solution

1. Step 1: Write the proportion equation
   9,899.79 : 14,849.69 = 3,326.00 : x
2. Step 2: Convert to fraction form
   9,899.79/14,849.69 = 3,326.00/x
3. Step 3: Cross multiply
   9,899.79x = 14,849.69 × 3,326.00
4. Step 4: Simplify right side
   9,899.79x = 49,389,978.06
5. Step 5: Solve for x
   x = 49,389,978.06/9,899.79
6. Step 6: Final answer
   x = 4,988.99